81106720

素因数分解:

$2^5\times 5^1\times {\mathrm{541}}^1\times {\mathrm{937}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 192173688

約数和(自身を除く): 111066968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 541, 937, 1082, 1874, 2164, 2705, 3748, 4328, 4685, 5410, 7496, 8656, 9370, 10820, 14992, 17312, 18740, 21640, 29984, 37480, 43280, 74960, 86560, 149920, 506917, 1013834, 2027668, 2534585, 4055336, 5069170, 8110672, 10138340, 16221344, 20276680, 40553360, 81106720]

約数ペア:

[(1, 81106720), (2, 40553360), (4, 20276680), (5, 16221344), (8, 10138340), (10, 8110672), (16, 5069170), (20, 4055336), (32, 2534585), (40, 2027668), (80, 1013834), (160, 506917), (541, 149920), (937, 86560), (1082, 74960), (1874, 43280), (2164, 37480), (2705, 29984), (3748, 21640), (4328, 18740), (4685, 17312), (5410, 14992), (7496, 10820), (8656, 9370)]